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Stringing at ultra fine layer height


Tiger91
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Posted · Stringing at ultra fine layer height

I'm trying to print a vase scaled to 50%.  When I do so at a .06mm layer height, there is stringing at the hard edges.  I've tried to change the temperature and speed, but haven't had success making it somewhat clean.  How do I make it work?

 

Using ultimaker 3, updated cura, with white PLA

HexagonVase.stl

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    Posted · Stringing at ultra fine layer height

    Could you show a photo?  It must be a strangely shaped vase to get stringing.  In general I get zero stringing.  Zero.  I print slow and cool.  On UM3 usually 30 or 40mm/sec on outer layer.

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    Posted · Stringing at ultra fine layer height
    5 hours ago, gr5 said:

    Could you show a photo?  It must be a strangely shaped vase to get stringing.  In general I get zero stringing.  Zero.  I print slow and cool.  On UM3 usually 30 or 40mm/sec on outer layer.

    I uploaded a photo - it was actually a bit worse as I had scraped some of the stringing off earlier.

    20180419_224211.jpg

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    Posted · Stringing at ultra fine layer height

    Ooh yes yeugh. Try any or all of  all print speeds set to 30mm/s (1st layer 20mm/s)   Fan 100%  extruder temp; with layer height of .300 the probably no higher than 200 - cooler if layers are thinner; assuming a .4 nozzle then line width .4 and wall size a multiple of .4        I assume you are not using spiralise.

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    Posted · Stringing at ultra fine layer height
    8 hours ago, yellowshark said:

    Ooh yes yeugh. Try any or all of  all print speeds set to 30mm/s (1st layer 20mm/s)   Fan 100%  extruder temp; with layer height of .300 the probably no higher than 200 - cooler if layers are thinner; assuming a .4 nozzle then line width .4 and wall size a multiple of .4        I assume you are not using spiralise.

    Not using spiralize.  I would like to do it at .06mm and have it work.

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    Posted · Stringing at ultra fine layer height

    No reason why you cannot use .06mm; I suspect you would not want to go above 190 but I have little experience at that thinness. Also I have no understanding on whether really thin layers have any impact on stringing

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